温度平流
- 网络Temperature advection;thermal advection
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相对广义温度平流在强对流天气分析和预报中的应用
The application of relation generalized temperature advection to analysis and forecast of severe convective weather
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全球典型低云区中各类低云云量与水平温度平流关系的单点个例分析
Case Study on the Relationship Between Various Low Cloud Amounts and Horizontal Temperature Advection in Global Typical Low Cloud Regions
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夜间200m高度以下有较强的冷平流,在250~400m高度有较弱的暖平流,冷暖温度平流对测点上空边界层温度和层结变化有显著影响;
There is strong cool advection below highs of 200 m , while the weak warm advection between the heights of 250 m and 400 m. The heat advection have significantly influence on the temperature and stratification of boundary layer ;
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这主要与海洋模式中混合层厚度选取较浅,导致垂直上翻温度平流的贡献削弱有关。
The thickness of the mixed-layer ocean is too shallow to simulate the upwelling and advection well .
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还指出分析不稳定能量和中上层温度平流的水平分布对预报飑线发生的区域是有用的。
It is also emphasized that analysis of horizontal distribution of instability energy and cold advection is useful for forecasting the area in which squall lines occur .
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气旋减弱阶段大气加热率所起的作用占主导地位,涡度平流和温度平流作用较小;
The effect of atmospheric heating rate accounted for dominant status while the cyclone was weakening , but the effect of vorticity advection and thermal advection was secondary ;
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热力场与螺旋度有内在联系,地面相对螺旋度可视为地转风或实际风引起温度平流的一个量度。
There exists inherent relationship between atmospheric temperature and helicity , and the surface relative helicity can be used to measure the temperature advection caused by geostrophic flow .
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高空涡度平流、中低空温度平流、南北两支气流相遇促使地面低压强烈发展生成新的锋面气旋是大风形成的中尺度系统;
The gale was caused by the mesoscale system that the vorticity advection in upper , temperature advection in middle and lower layer , the explosively developing front cyclones .
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结果表明,高空急流区温度平流分布的不均匀性,会在急流附近等温线密集区边缘激发出空气垂直运动和湍流,引起飞机颠簸。
The results show that the inhomogeneous distribution of temperature advection in upper jet stream trigger vertical currents in the marginal area of upper jet stream and cause airplane turbulence .
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结果表明,温度平流和涡度平流、沿岸锋生以及高空急流的动力作用对气旋暴发性发展有重要贡献。
The results show that the dynamic functions of thermal advection , vorticity advection , coastal frontogenesis and air jet stream made great contribution to the explosive development of the cyclone .
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诊断分析进一步指明,华南辐合带的形成除与异常加热直接有关外,温度平流也有显著作用;
The diagnostic results further indicate that the temperature advection Plavs an evident role on the formation of the convergence zone over South China in addition to the relation with the anomalous hea-t ing ;
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利用兰州河谷盆地城乡过渡区边界层观测资料,分析了该地区的温度平流和边界层特征。
Using the observational data over transition zone between urban and rural areas in the basin of the Yellow River ( Lanzhou ) valley , the characteristics of boundary layer and the heat advection were analyzed .
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在日本和鄂霍茨克海地区,正的温度平流异常起主导作用,平衡了异常的非绝热冷却和由于微弱上升运动造成的异常冷却,从而引起并利于维持这些地区夏季异常高温。
Over Japan and the Sea of Okhotsk , the dominant anomalous positive horizontal advection of temperature balanced the abnormal non-adiabatic cooling and the abnormal cooling caused by weak upward motion , causing and maintaining these unusually high temperatures in summer .
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利用1994年4月6&7日发生在鄂、赣、皖交界地区的强风暴过程和8次历史个例,对其前一日资料作了温度平流和广义温度平流的计算分析。
The temperature advection and generalized temperature advection of the yesterday data for the severe storm processes in boundary region of Hubei , Jiangxi and Anhui provinces in April of 1994 and 8 other cases in history , are calculated and analysed .
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热力学方程各项因子的诊断分析表明,此次酷热事件是由于温度平流、温度垂直输送和非绝热加热3个因子共同作用的结果。
Also , the spatial-temporal distributions of various variables are described . Through thermodynamics equation , it is indicated that this extreme high-temperature weather event was mainly caused by the joint effects of the advection of potential temperature , the vertical transportation of potential temperature and non - adiabatic heating .
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平凉地区冰雹天气过程的温度水平平流和层结特性演变的对比分析
The contrast analysis of the horizontal temperature advection with the evolution of stratification features during the hail process in Pingliang region
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重要的是要记住,极端温度与平流基本无关,因为它们主要是在相当静止的空气中形成的。
It is important to bear in mind that the extreme temperatures are largely independent of advection , for they develop mostly in rather stagnant air .
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水平温度梯度的平流对锋生(消)的影响都很小。
The horizontal advection term contribute little to the frontogenesis and frontolysis .